TY  - RPRT
TI  - Surficial geologic map along Route 110 relocation from Lowell to Littleton, Massachusetts
AU  - Joseph H. Hartshorn
AU  - P.M. Hanshaw
PY  - 1956
DO  - 10.3133/ofr5651
UR  - https://pubs.usgs.gov/publication/ofr5651
ID  - ofr5651
ER  -